package com.swufe.lianxi;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class RateOption extends AppCompatActivity {
float rate;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_rate_option);

        Intent intent=getIntent();
        rate=intent.getFloatExtra("Rate_value",0.0f);
        String title=intent.getStringExtra("Rate_Title");

        TextView stype=findViewById(R.id.textView);
        stype.setText(""+title);
    }
    public void opClick(View btn){
        EditText input=findViewById(R.id.option);
        String str=input.getText().toString();
        float r=0.0f;
        float inp=Float.parseFloat(str);
        if(str.length()==0) {
            Toast.makeText(this, "请输入金额", Toast.LENGTH_SHORT).show();
        }else{
            r=inp*rate;
        }
        TextView result2=findViewById(R.id.result2);
        result2.setText("兑换："+r);
    }
}